Rear SAM control unit with fuse and relay module, component description - GF54.21-P-6030RC
MODEL 171.4 as of model year 09 /YoM 08 model refinement package
Location The rear SAM control unit is located behind the trim in the trunk on the control unit carrier.
Task The rear SAM control unit has the following tasks: Reading in of sensors, pickups and signals; Evaluation of input factors; Control of systems; Actuation of components; Power supply and relay switching.
Reading in of sensors, pickups and signals The input factors are read in with the following connections: Direct line; Interior CAN.
Direct line The following components are read in via a direct line: Fuel level sensor (B4) - For code (551) Anti-theft alarm system (ATA [EDW]): - ATA [EDW] inclination sensor (B33) - ATA [EDW] hood switch (S62) - ATA [EDW] glove box switch (S62/7) - ATA [EDW] center console compartment switch (S62/8) - ATA [EDW] rear panel stowage compartment switch (S62/38) - Left door contact switch (S17/3) - Right door contact switch (S17/4) - Trunk lid rotary tumbler microswitch (S88/1) - Trunk lid contact switch (S88/6) (with code (494) USA version) - Trunk lid external operation switch (S88/8) - Trunk lid emergency release switch (S88/10) (with code (494) USA version).